/* ============================================================
   LearnUp 官方網站 — 主樣式
   色彩系統（對齊 App 品牌：藍紫 + 深藍 + 幽靈吉祥物）
   品牌色取自 App wordmark/icon：深藍 #000742、
   漸層 #004BFD→#6213F5、主靛藍 #4F46E5、icon 背景 #A7A2DD
   ============================================================ */
:root {
  --bg: #FFFFFF;          /* 純白背景 */
  --card: #F3F1FD;        /* 卡片淺紫 */
  --card-alt: #F8F5FF;    /* 卡片更淺紫 */
  --accent: #4F46E5;      /* 靛藍主強調 */
  --accent-hover: #4338CA;
  --ink: #14163A;         /* 深藍主文字 */
  --ink-soft: #4A4A66;    /* 次要文字 */
  --muted: #8A88A8;       /* 淡紫灰說明字 */
  --muted-2: #6B6A85;
  --muted-3: #7C7A96;
  --tag: #7C3AED;         /* 區塊小標（紫） */
  --badge-ink: #5B4BD6;   /* 連結／徽章靛紫 */
  --line: #E7E4F5;        /* 邊框 */
  --line-soft: #EEEBFA;
  --track: #E2DEFA;
  --hl: #DDD7FF;          /* 標題螢光底（薰衣草） */
  --dark-line: #3A3B6B;   /* 深色區塊邊框 */
  --dark-sub: #A9A6E0;    /* 深色區塊次文字 */
  --grad-a: #004BFD;      /* 品牌漸層藍端 */
  --grad-b: #6213F5;      /* 品牌漸層紫端 */
  --grad: linear-gradient(90deg, #004BFD, #6213F5);
  --latin: 'Space Grotesk', sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: 'Noto Sans TC', system-ui, sans-serif;
}

a { color: var(--badge-ink); text-decoration: none; }
a:hover { color: var(--accent-hover); }

.latin { font-family: var(--latin); }

@keyframes lu-float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

/* ---------- 導覽列 ---------- */
.nav {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 22px 56px;
  gap: 12px;
}
.nav-brand { display: flex; align-items: center; gap: 10px; }
.nav-logo {
  width: 38px; height: 38px; border-radius: 11px;
  object-fit: cover; display: block;
}
.nav-wordmark { font-family: var(--latin); font-weight: 700; font-size: 20px; color: var(--ink); }
.nav-wordmark .up {
  background: var(--grad);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; color: transparent;
}
.nav-menu {
  position: absolute; left: 50%; transform: translateX(-50%);
  display: flex; gap: 6px;
  background: var(--card); border-radius: 999px; padding: 6px;
  font-size: 13.5px;
}
.nav-menu a {
  padding: 8px 18px; border-radius: 999px;
  color: var(--muted-2); cursor: pointer; white-space: nowrap;
}
.nav-menu a:hover { color: var(--ink); }
.nav-menu a.active {
  background: #fff; color: var(--ink);
  box-shadow: 0 1px 3px rgba(0, 0, 0, .06);
}
.nav-right { display: flex; align-items: center; gap: 12px; }
.lang-switch {
  display: flex; align-items: center; gap: 2px;
  border: 1px solid var(--line); border-radius: 999px;
  padding: 3px; font-size: 12.5px;
}
.lang-switch button {
  cursor: pointer; padding: 7px 14px; border-radius: 999px;
  background: transparent; color: var(--muted-2);
  font-weight: 500; border: 0; font-family: inherit; font-size: inherit;
}
.lang-switch button.active { background: var(--ink); color: var(--bg); }
.nav-cta {
  background: var(--ink); color: var(--bg);
  padding: 11px 24px; border-radius: 999px;
  font-size: 13.5px; font-weight: 500; cursor: pointer; white-space: nowrap;
}
.nav-cta:hover { background: var(--accent); color: var(--ink); }
.nav-burger {
  display: none; width: 40px; height: 40px;
  align-items: center; justify-content: center;
  border: 1px solid var(--line); border-radius: 12px;
  background: var(--bg); color: var(--ink);
  font-size: 17px; cursor: pointer; flex-shrink: 0;
}

/* ---------- Hero ---------- */
.hero {
  display: flex; flex-direction: column; align-items: center;
  text-align: center; padding: 64px 56px 0; gap: 24px;
}
.hero-badge {
  display: flex; align-items: center; gap: 8px;
  background: var(--card); border-radius: 999px;
  padding: 8px 18px; font-size: 13px; color: var(--badge-ink);
}
.hero-badge .dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--accent); display: inline-block;
}
.hero h1 {
  margin: 0; font-size: 58px; font-weight: 700;
  line-height: 1.25; letter-spacing: .5px; max-width: 860px;
}
.hero h1 .hl {
  background: linear-gradient(transparent 62%, var(--hl) 62%);
  padding: 0 6px;
}
.hero-p {
  margin: 0; font-size: 17px; line-height: 1.85;
  color: var(--ink-soft); max-width: 580px;
}
.store-btns { display: flex; gap: 14px; flex-wrap: wrap; justify-content: center; }
.store-btn {
  position: relative;
  padding: 16px 32px; border-radius: 18px;
  font-size: 15px; font-weight: 500; cursor: pointer;
}
.store-btn.primary {
  background: var(--ink); color: var(--bg);
  box-shadow: 0 12px 24px -10px rgba(20, 22, 58, .45);
}
.store-btn.primary:hover { transform: translateY(-2px); color: var(--bg); }
.store-btn.secondary { background: var(--card); color: var(--ink); }
.store-btn.secondary:hover { background: var(--hl); color: var(--ink); }
.store-btn .soon {
  position: absolute; top: -9px; right: -8px;
  background: var(--accent); color: #fff;
  font-size: 10px; font-weight: 700; letter-spacing: .5px;
  border-radius: 999px; padding: 3px 9px;
}

/* ---------- Hero 視覺（雙手機 + 漂浮膠囊） ---------- */
.hero-visual {
  position: relative; margin-top: 36px;
  width: 100%; max-width: 960px; height: 480px;
  background: linear-gradient(180deg, #EEEBFC, #E4DEFA);
  border-radius: 36px 36px 0 0; overflow: hidden;
}
.phone {
  position: absolute; width: 250px;
  background: var(--ink); border-radius: 38px; padding: 9px;
}
.phone.left {
  left: 50%; top: 44px;
  transform: translateX(-88%) rotate(-5deg);
  box-shadow: 0 30px 60px -20px rgba(46, 38, 28, .4);
}
.phone.right {
  left: 50%; top: 24px;
  transform: translateX(-8%) rotate(4deg);
  box-shadow: 0 30px 60px -20px rgba(46, 38, 28, .45);
}
.phone-screen {
  background: #fff; border-radius: 31px; overflow: hidden;
}
.phone-screen img { width: 100%; display: block; }
.phone-eyebrow { font-size: 11px; color: var(--muted); }
.phone-title { font-size: 16px; font-weight: 700; }
.lesson-card {
  background: var(--card); border-radius: 14px; padding: 12px;
  display: flex; flex-direction: column; gap: 8px;
}
.lesson-card .word { font-size: 12px; font-weight: 700; }
.progress-track {
  height: 6px; border-radius: 999px; background: var(--track); overflow: hidden;
}
.progress-fill { width: 64%; height: 100%; background: var(--accent); }
.lesson-card .meta { font-size: 10.5px; color: var(--muted); }
.phone-actions { display: flex; gap: 8px; }
.phone-actions .continue {
  flex: 1; background: var(--ink); color: #fff;
  border-radius: 999px; padding: 9px 0;
  text-align: center; font-size: 11.5px;
}
.phone-actions .bookmark {
  width: 36px; height: 34px;
  border: 1px solid var(--track); border-radius: 999px;
  display: flex; align-items: center; justify-content: center; font-size: 13px;
}
.listening-card {
  border: 1px solid var(--line-soft); border-radius: 14px;
  padding: 11px 12px; display: flex; flex-direction: column; gap: 4px;
}
.listening-card .label { font-size: 10px; color: var(--muted); letter-spacing: 1px; }
.listening-card .text { font-size: 12.5px; font-weight: 500; }
.chat-row { display: flex; gap: 8px; align-items: flex-start; }
.chat-row.user { justify-content: flex-end; }
.chat-avatar {
  width: 28px; height: 28px; border-radius: 50%;
  background: var(--accent); color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-size: 12px; flex-shrink: 0;
}
.chat-bubble {
  background: var(--card); border-radius: 4px 16px 16px 16px;
  padding: 10px 12px; font-size: 12px; line-height: 1.6;
  font-family: var(--latin);
}
.chat-bubble.user {
  background: var(--ink); color: #fff;
  border-radius: 16px 4px 16px 16px;
}
.ai-feedback {
  background: var(--card-alt); border: 1px solid var(--line);
  border-radius: 12px; padding: 9px 11px;
  font-size: 11px; color: var(--badge-ink); line-height: 1.55;
}
.mic-row { display: flex; align-items: center; gap: 10px; margin-top: 2px; }
.mic-input {
  flex: 1; height: 38px; border-radius: 999px; background: var(--card);
  display: flex; align-items: center; padding: 0 14px;
  font-size: 11px; color: var(--muted);
}
.mic-btn {
  width: 38px; height: 38px; border-radius: 50%;
  background: var(--accent); color: #fff;
  display: flex; align-items: center; justify-content: center; font-size: 15px;
}
.float-chip {
  position: absolute; background: #fff; border-radius: 999px;
  padding: 10px 18px; font-size: 13px;
  box-shadow: 0 10px 24px -8px rgba(46, 38, 28, .25);
  animation: lu-float 5s ease-in-out infinite;
}
.float-chip.c1 { left: 7%; top: 60px; }
.float-chip.c2 { right: 6%; top: 96px; animation-duration: 6s; animation-delay: .8s; }
.float-chip.c3 { right: 11%; bottom: 70px; animation-duration: 5.5s; animation-delay: .4s; }
.float-chip.c4 { left: 9%; bottom: 88px; animation-duration: 6.5s; animation-delay: 1.2s; }

/* ---------- 區塊通用 ---------- */
.section { padding: 72px 56px 24px; max-width: 1240px; margin: 0 auto; }
.section-head {
  text-align: center; display: flex; flex-direction: column;
  gap: 10px; margin-bottom: 40px;
}
.section-tag {
  font-size: 12.5px; letter-spacing: 3px;
  color: var(--tag); font-family: var(--latin);
}
.section-head h2 { margin: 0; font-size: 34px; font-weight: 700; }
.section-sub { margin: 0; font-size: 15px; color: var(--ink-soft); }

/* ---------- 功能卡片 ---------- */
.features-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px;
}
.feature-card {
  border-radius: 24px; padding: 28px;
  display: flex; flex-direction: column; gap: 12px; min-height: 170px;
  transition: transform .25s ease;
}
.feature-card:hover { transform: translateY(-4px); }
.feature-card:nth-child(odd) { background: var(--card); }
.feature-card:nth-child(even) { background: var(--card-alt); }
.feature-icon {
  width: 44px; height: 44px; border-radius: 14px;
  display: flex; align-items: center; justify-content: center; font-size: 20px;
}
.feature-card:nth-child(odd) .feature-icon { background: var(--bg); }
.feature-card:nth-child(even) .feature-icon { background: var(--card); }
.feature-title-row {
  display: flex; align-items: baseline; gap: 8px; flex-wrap: wrap;
}
.feature-title-row .title { font-size: 17px; font-weight: 700; }
.feature-title-row .sub {
  font-size: 11.5px; color: var(--muted); font-family: var(--latin);
}
.feature-card p {
  margin: 0; font-size: 13.5px; line-height: 1.7; color: var(--ink-soft);
}

/* ---------- 語言 ---------- */
.langs {
  padding: 48px 56px 24px;
  display: flex; flex-direction: column; align-items: center; gap: 22px;
}
.langs-line { font-size: 14px; color: var(--muted-3); }
.langs-row { display: flex; gap: 14px; flex-wrap: wrap; justify-content: center; }
.lang-pill {
  display: flex; align-items: center; gap: 10px;
  border: 1px solid var(--line); background: var(--bg);
  border-radius: 999px; padding: 12px 24px;
  font-size: 15px; font-weight: 500;
}
.lang-pill:hover { background: var(--card); }
.lang-pill .flag { font-size: 18px; }
.lang-pill .native {
  color: var(--muted); font-size: 12.5px; font-family: var(--latin);
}

/* ---------- 價格 ---------- */
.pricing-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px;
  align-items: stretch;
}
.price-card {
  position: relative;
  border: 1px solid var(--line); border-radius: 24px;
  padding: 28px 24px;
  display: flex; flex-direction: column; gap: 14px;
  background: var(--bg);
}
.price-card.popular {
  background: linear-gradient(135deg, #4F46E5, #7C3AED);
  color: #fff; border-color: transparent;
  box-shadow: 0 24px 48px -20px rgba(79, 70, 229, .5);
}
.popular-tag {
  position: absolute; top: -13px; left: 50%; transform: translateX(-50%);
  background: #fff; color: var(--accent);
  font-size: 11.5px; font-weight: 700;
  border-radius: 999px; padding: 5px 16px; white-space: nowrap;
  box-shadow: 0 4px 12px -4px rgba(79, 70, 229, .4);
}
.plan-name { font-size: 16px; font-weight: 700; }
.plan-name .en {
  display: block; font-size: 11px; font-weight: 500;
  color: var(--muted); font-family: var(--latin);
  letter-spacing: 1px; margin-top: 3px;
}
.price-card.popular .plan-name .en { color: rgba(255, 255, 255, .78); }
.plan-price { font-family: var(--latin); }
.plan-price .amount { font-size: 30px; font-weight: 700; }
.plan-price .period { font-size: 12.5px; color: var(--muted); }
.price-card.popular .plan-price .period { color: rgba(255, 255, 255, .78); }
.plan-annual { font-size: 12px; color: var(--muted-3); }
.price-card.popular .plan-annual { color: rgba(255, 255, 255, .78); }
.plan-features {
  margin: 0; padding: 0; list-style: none;
  display: flex; flex-direction: column; gap: 9px;
  font-size: 13px; line-height: 1.6; color: var(--ink-soft);
  flex: 1;
}
.price-card.popular .plan-features { color: #EAE8FB; }
.plan-features li { display: flex; gap: 8px; }
.plan-features li::before { content: "✓"; color: var(--accent); font-weight: 700; }
.price-card.popular .plan-features li::before { color: #fff; }
.plan-btn {
  text-align: center; border-radius: 14px; padding: 12px 0;
  font-size: 13.5px; font-weight: 600; cursor: pointer;
  border: 1px solid var(--line); color: var(--ink);
}
.plan-btn:hover { background: var(--card); color: var(--ink); }
.price-card.popular .plan-btn {
  background: #fff; color: var(--accent); border-color: #fff;
}
.price-card.popular .plan-btn:hover { background: #F3F1FD; color: var(--accent); }
.pricing-note {
  text-align: center; font-size: 12.5px; color: var(--muted);
  margin-top: 26px;
}

/* ---------- 關於 / FAQ ---------- */
.about-wrap {
  display: grid; grid-template-columns: 1fr 1.2fr; gap: 48px;
  align-items: start;
}
.about-text h3 { margin: 0 0 14px; font-size: 22px; font-weight: 700; }
.about-text p {
  margin: 0 0 14px; font-size: 14.5px; line-height: 1.9; color: var(--ink-soft);
}
.faq-item {
  border: 1px solid var(--line); border-radius: 18px;
  padding: 4px 22px; margin-bottom: 12px; background: var(--bg);
}
.faq-item summary {
  cursor: pointer; font-size: 14.5px; font-weight: 600;
  padding: 14px 0; list-style: none;
  display: flex; justify-content: space-between; align-items: center;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: "+"; color: var(--muted); font-size: 18px; }
.faq-item[open] summary::after { content: "−"; }
.faq-item p {
  margin: 0 0 16px; font-size: 13.5px; line-height: 1.8; color: var(--ink-soft);
}

/* ---------- CTA ---------- */
.cta {
  max-width: 1192px; margin: 48px auto 24px;
  background: linear-gradient(135deg, #4F46E5, #7C3AED);
  border-radius: 32px; padding: 72px 56px;
  display: flex; flex-direction: column; align-items: center;
  gap: 18px; text-align: center; color: #fff;
  box-shadow: 0 24px 48px -24px rgba(79, 70, 229, .5);
}
.cta-title { font-size: 36px; font-weight: 700; }
.cta-sub { font-size: 14px; color: rgba(255, 255, 255, .82); font-family: var(--latin); }
.cta-btns { display: flex; gap: 14px; margin-top: 10px; flex-wrap: wrap; justify-content: center; }
.cta-btn-primary {
  background: #fff; color: var(--accent);
  padding: 15px 32px; border-radius: 18px;
  font-size: 15px; font-weight: 700; cursor: pointer;
}
.cta-btn-primary:hover { background: #F3F1FD; color: var(--accent); }
.cta-btn-secondary {
  border: 1px solid rgba(255, 255, 255, .5); color: #fff;
  padding: 15px 32px; border-radius: 18px; font-size: 15px; cursor: pointer;
}
.cta-btn-secondary:hover { border-color: #fff; background: rgba(255, 255, 255, .12); color: #fff; }

/* ---------- 頁尾 ---------- */
.footer {
  display: flex; flex-direction: column; align-items: center; gap: 10px;
  padding: 12px 24px 40px;
  font-size: 12px; color: var(--muted-3);
}
.footer-links { display: flex; gap: 18px; }
.footer-links a { color: var(--muted-3); }
.footer-links a:hover { color: var(--ink); }

/* ---------- 子頁面 Hero ---------- */
.page-hero {
  display: flex; flex-direction: column; align-items: center;
  text-align: center; padding: 56px 56px 8px; gap: 14px;
}
.page-hero h1 { margin: 0; font-size: 42px; font-weight: 700; letter-spacing: .5px; }
.page-hero h1 .hl {
  background: linear-gradient(transparent 62%, var(--hl) 62%);
  padding: 0 6px;
}
.page-hero .lead {
  margin: 0; font-size: 16px; line-height: 1.85;
  color: var(--ink-soft); max-width: 620px;
}

/* ---------- 首頁導流連結 ---------- */
.section-more { text-align: center; margin-top: 36px; }
.more-link {
  display: inline-flex; align-items: center; gap: 8px;
  border: 1px solid var(--line); border-radius: 999px;
  padding: 12px 28px; font-size: 14px; font-weight: 600; color: var(--ink);
}
.more-link:hover { background: var(--card); color: var(--ink); }

/* ---------- 語言頁：語言詳細卡 ---------- */
.langdetail-grid {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px;
}
.langdetail-card {
  border: 1px solid var(--line); border-radius: 26px;
  padding: 30px 30px 26px; background: var(--bg);
  display: flex; flex-direction: column; gap: 14px;
  transition: transform .25s ease;
}
.langdetail-card:hover { transform: translateY(-4px); }
.langdetail-card:nth-child(odd) { background: var(--card); border-color: transparent; }
.langdetail-head { display: flex; align-items: center; gap: 14px; }
.langdetail-flag {
  width: 52px; height: 52px; border-radius: 16px;
  background: var(--bg); border: 1px solid var(--line);
  display: flex; align-items: center; justify-content: center; font-size: 26px;
}
.langdetail-card:nth-child(even) .langdetail-flag { background: var(--card); border-color: transparent; }
.langdetail-name { font-size: 20px; font-weight: 700; }
.langdetail-name .native {
  margin-left: 8px; font-size: 13px; font-weight: 500;
  color: var(--muted); font-family: var(--latin);
}
.langdetail-tagline { font-size: 13.5px; color: var(--badge-ink); }
.langdetail-list {
  margin: 0; padding: 0; list-style: none;
  display: flex; flex-direction: column; gap: 9px;
  font-size: 13.5px; line-height: 1.7; color: var(--ink-soft);
}
.langdetail-list li { display: flex; gap: 9px; }
.langdetail-list li::before { content: "✓"; color: var(--accent); font-weight: 700; flex-shrink: 0; }

/* ---------- 語言頁：學習路徑 ---------- */
.path-strip {
  display: flex; align-items: stretch; justify-content: center;
  gap: 0; flex-wrap: wrap; margin-top: 8px;
}
.path-step {
  flex: 1; min-width: 200px; max-width: 300px;
  display: flex; flex-direction: column; align-items: center; gap: 10px;
  text-align: center; padding: 26px 22px; position: relative;
}
.path-step .num {
  width: 40px; height: 40px; border-radius: 50%;
  background: var(--accent); color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--latin); font-weight: 700; font-size: 16px;
}
.path-step .title { font-size: 16px; font-weight: 700; }
.path-step p { margin: 0; font-size: 13px; line-height: 1.7; color: var(--ink-soft); }
.path-step:not(:last-child)::after {
  content: "→"; position: absolute; right: -10px; top: 34px;
  color: var(--muted); font-size: 18px;
}

/* ---------- 語言頁：CEFR 等級帶 ---------- */
.cefr-strip {
  display: flex; gap: 8px; justify-content: center; flex-wrap: wrap; margin-top: 4px;
}
.cefr-chip {
  border: 1px solid var(--line); border-radius: 12px;
  padding: 10px 18px; text-align: center; min-width: 86px;
}
.cefr-chip .code { font-family: var(--latin); font-weight: 700; font-size: 16px; }
.cefr-chip .label { font-size: 11.5px; color: var(--muted); margin-top: 2px; }

/* ---------- 語言頁：介面語言備註 ---------- */
.ui-lang-note {
  max-width: 720px; margin: 40px auto 0;
  background: var(--card-alt); border: 1px solid var(--line); border-radius: 18px;
  padding: 18px 26px; text-align: center;
  font-size: 13.5px; line-height: 1.8; color: var(--badge-ink);
}

/* ---------- 法規頁 ---------- */
.legal-body { max-width: 760px; margin: 0 auto; padding: 40px 24px 80px; }
.legal-body h1 { font-size: 30px; }
.legal-body h2 { font-size: 19px; margin-top: 36px; }
.legal-body p, .legal-body li { font-size: 14.5px; line-height: 1.9; color: var(--ink-soft); }
.legal-draft {
  background: var(--card-alt); border: 1px solid var(--line);
  border-radius: 12px; padding: 12px 16px;
  font-size: 13px; color: var(--badge-ink); margin-bottom: 28px;
}

/* ---------- RWD ---------- */
@media (max-width: 1080px) {
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .pricing-grid { grid-template-columns: repeat(2, 1fr); }
  .nav-menu { display: none; }
  .langdetail-grid { grid-template-columns: 1fr; }
  /* 漢堡選單：點 ☰ 展開頁面連結 */
  .nav-burger { display: flex; }
  .nav.menu-open .nav-menu {
    display: flex; flex-direction: column; gap: 4px;
    position: absolute; top: calc(100% - 6px); left: 14px; right: 14px;
    transform: none; background: #fff;
    border: 1px solid var(--line); border-radius: 18px; padding: 10px;
    box-shadow: 0 18px 40px -16px rgba(20, 22, 58, .28);
    z-index: 50; font-size: 15px;
  }
  .nav.menu-open .nav-menu a { padding: 13px 18px; }
}
@media (max-width: 720px) {
  .nav { padding: 18px 20px; }
  .hero { padding: 40px 20px 0; }
  .hero h1 { font-size: 34px; }
  .section { padding: 56px 20px 16px; }
  .langs { padding: 40px 20px 16px; }
  .features-grid { grid-template-columns: 1fr; }
  .pricing-grid { grid-template-columns: 1fr; }
  .about-wrap { grid-template-columns: 1fr; }
  .cta { margin: 40px 16px 16px; padding: 48px 24px; }
  .cta-title { font-size: 26px; }
  .page-hero { padding: 40px 20px 8px; }
  .page-hero h1 { font-size: 30px; }
  .path-step:not(:last-child)::after { display: none; }
  /* 手機版 hero：兩支手機縮小並完整收進畫面內，只留兩個漂浮標籤 */
  .hero-visual { height: 430px; }
  .phone { width: 180px; border-radius: 30px; padding: 7px; }
  .phone-screen { border-radius: 24px; }
  .phone.left { top: 40px; transform: translateX(-90%) rotate(-5deg); }
  .phone.right { top: 22px; transform: translateX(-6%) rotate(4deg); }
  .float-chip { font-size: 11px; padding: 7px 12px; }
  .float-chip.c2, .float-chip.c4 { display: none; }
  .float-chip.c1 { left: 4%; top: 10px; }
  .float-chip.c3 { right: 4%; bottom: 14px; top: auto; }
  .nav-cta { display: none; }
}